<SEC-DOCUMENT>0001193125-25-286158-index.html : 20251118
<SEC-HEADER>0001193125-25-286158.hdr.sgml : 20251118
<ACCEPTANCE-DATETIME>20251118160949
ACCESSION NUMBER:		0001193125-25-286158
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		22
CONFORMED PERIOD OF REPORT:	20251118
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20251118
DATE AS OF CHANGE:		20251118

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Cogent Biosciences, Inc.
		CENTRAL INDEX KEY:			0001622229
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		ORGANIZATION NAME:           	03 Life Sciences
		EIN:				465308248
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-38443
		FILM NUMBER:		251494707

	BUSINESS ADDRESS:	
		STREET 1:		275 WYMAN STREET
		STREET 2:		3RD FLOOR
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451
		BUSINESS PHONE:		617-945-5576

	MAIL ADDRESS:	
		STREET 1:		275 WYMAN STREET
		STREET 2:		3RD FLOOR
		CITY:			WALTHAM
		STATE:			MA
		ZIP:			02451

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Unum Therapeutics Inc.
		DATE OF NAME CHANGE:	20180402

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Unum Therapeutics, Inc.
		DATE OF NAME CHANGE:	20141014
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d888858d8k.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: d888858d8k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>d888858dex41.htm
<DESCRIPTION>EX-4.1
<TEXT>
Document 2 - file: d888858dex41.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>3
<FILENAME>d888858dex42.htm
<DESCRIPTION>EX-4.2
<TEXT>
Document 3 - file: d888858dex42.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>4
<FILENAME>d888858dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 4 - file: d888858dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>5
<FILENAME>cogt-20251118.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
Document 5 - file: cogt-20251118.xsd

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>6
<FILENAME>cogt-20251118_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
Document 6 - file: cogt-20251118_lab.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>7
<FILENAME>cogt-20251118_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
Document 7 - file: cogt-20251118_pre.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>g888858g1118093101381.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: g888858g1118093101381.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>g888858g1118093624152.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: g888858g1118093624152.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>g888858g1118093624403.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: g888858g1118093624403.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>g888858g1118093624698.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: g888858g1118093624698.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>g888858g1118093624837.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: g888858g1118093624837.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>g888858g1118093624994.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: g888858g1118093624994.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>g888858g1118093625455.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: g888858g1118093625455.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>16
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 16 - file: R1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>17
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 17 - file: Show.js

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>18
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 18 - file: report.css

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>20
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 20 - file: FilingSummary.html

Document 20 - RAW XML: FilingSummary.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>22
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 22 - file: MetaLinks.json

</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>23
<FILENAME>0001193125-25-286158-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 23 - file: 0001193125-25-286158-xbrl.zip

</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>24
<FILENAME>d888858d8k_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
Document 24 - file: d888858d8k_htm.html

Document 24 - RAW XML: d888858d8k_htm.xml

</DOCUMENT>
</SEC-DOCUMENT>